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Home » Guide » Arthropods (Arthropoda) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynes  » Cobweb Spiders (Theridiidae) » Widow Spiders (Latrodectus) » Western Black Widow (Latrodectus hesperus)
Photo#489837
Black Widow (Latrodectus hesperus?) - Latrodectus hesperus - female
Copyright © 2011 Robert MacConnell

Black Widow (Latrodectus hesperus?) - Latrodectus hesperus - Female
Oakland, elevation 1500 feet, Alameda County, California, USA
February 3, 2011
Size: about 2 cm
Higher resolution detail of this spider's individual members can be provided if it would help with the ID process. She was turned loose to go on with her life after the photography...

Photographer indicates the specimen in question had the characteristic red/orange "hourglass" mark on the underside of her abdomen. I caught a fleeting glimpse of the "hourglass" myself, baving been present when the picture was recorded.
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Contributed by Robert S. Nelson on 8 February, 2011 - 8:12pm
Last updated 9 February, 2011 - 2:37pm

Moved
Moved from ID Request.
… Lynette Schimming, 9 February, 2011 - 9:26am login or register to post comments

Yes
L. hesperus.
… Jeff Hollenbeck, 8 February, 2011 - 8:25pm login or register to post comments

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